/* Existing application tokens are canonical; this feature adds no palette. */
:root {
  --scrollbar-thumb: var(--border-strong);
  --scrollbar-track: var(--bg-raised);
  --scrollbar-hover: var(--muted-2);
  --scrollbar-active: var(--muted);
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
  scrollbar-width: thin;
}
* { scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track); scrollbar-width: thin; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { border: 2px solid var(--scrollbar-track); border-radius: 6px; background: var(--scrollbar-thumb); }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-hover); }
::-webkit-scrollbar-thumb:active { background: var(--scrollbar-active); }
.local-ai-page { z-index: 70; position: fixed; inset: 0 0 0 var(--rail); background: var(--bg); color: var(--text); overflow: auto; }
.local-ai-page[hidden], .local-ai-page [hidden] { display: none; }
.local-ai-shell { display: flex; flex-direction: column; width: min(1120px, 100%); height: 100%; min-height: 620px; margin: 0 auto; padding: clamp(24px, 3.4vw, 48px) clamp(20px, 4vw, 56px) 16px; box-sizing: border-box; }
.local-ai-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.local-ai-eyebrow { margin: 0 0 8px; color: var(--red-strong); font: 10px/1.5 'DM Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }
.local-ai-heading h1 { margin: 0; font-size: clamp(30px, 4vw, 42px); font-weight: 600; letter-spacing: -.045em; line-height: 1.1; }
.local-ai-heading h1:focus { outline: none; }
.local-ai-subtitle { margin: 10px 0 0; color: var(--text-soft); font-size: 12px; line-height: 1.7; }
.local-ai-header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.local-ai-button, .local-ai-close { display: inline-flex; align-items: center; justify-content: center; min-height: 36px; border: 1px solid var(--border-strong); border-radius: 6px; padding: 0 13px; background: var(--surface); color: var(--text-soft); font: 600 11px/1.4 Manrope, Arial, sans-serif; cursor: pointer; transition: background .15s, border-color .15s, color .15s; }
.local-ai-button:hover:not(:disabled), .local-ai-close:hover { background: var(--surface-3); border-color: var(--muted-2); color: var(--text); }
.local-ai-button:active:not(:disabled), .local-ai-close:active { background: var(--border); }
.local-ai-button:focus-visible, .local-ai-close:focus-visible, .local-ai-composer textarea:focus-visible, .local-ai-chat:focus-visible, .local-ai-code-block pre:focus-visible, #t3x-local-ai-button:focus-visible { outline: 2px solid var(--red-strong); outline-offset: 3px; }
.local-ai-button:disabled { cursor: default; opacity: .45; }
.local-ai-close { width: 36px; border-radius: 50%; padding: 0; font-size: 24px; font-weight: 400; }
.local-ai-connection { display: flex; align-items: center; gap: 12px; min-height: 54px; border-block: 1px solid var(--border); padding: 8px 0; }
.local-ai-status { display: inline-flex; align-items: center; gap: 7px; color: var(--text-soft); font-size: 11px; white-space: nowrap; }
.local-ai-status::before { content: ''; display: block; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); flex-shrink: 0; }
.local-ai-status[data-state='ready']::before { background: var(--green); }
.local-ai-status[data-state='offline']::before { background: var(--amber); }
.local-ai-status[data-state='checking']::before { animation: local-ai-pulse 1s ease-in-out infinite alternate; }
.local-ai-model { min-width: 0; overflow-wrap: anywhere; color: var(--muted); font: 10px/1.5 'DM Mono', monospace; }
.local-ai-connection .local-ai-button { margin-left: auto; min-height: 30px; font-size: 10px; flex-shrink: 0; }
.local-ai-client-help { border-bottom: 1px solid var(--border); flex-shrink: 0; font-size: 11px; }
.local-ai-client-help summary { color: var(--text-soft); padding: 12px 0; cursor: pointer; }
.local-ai-client-help summary:hover { color: var(--text); }
.local-ai-client-help summary:focus-visible { outline: 2px solid var(--red-strong); outline-offset: 3px; }
.local-ai-client-body { padding: 0 0 14px; color: var(--text-soft); }
.local-ai-client-body p { margin: 0 0 12px; line-height: 1.7; }
.local-ai-client-settings { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; margin: 0 0 14px; font: 10px/1.6 'DM Mono', monospace; }
.local-ai-client-settings dt { color: var(--muted); }
.local-ai-client-settings dd { margin: 0; overflow-wrap: anywhere; }
.local-ai-chat { flex: 1; min-height: 180px; overflow: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding: 10px 10px 10px 0; }
.local-ai-empty { display: flex; min-height: 240px; height: 100%; max-width: 500px; margin: 0 auto; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 30px 12px; box-sizing: border-box; }
.local-ai-empty-icon { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid var(--red-border); border-radius: 12px; background: var(--red-soft); color: var(--red-strong); margin-bottom: 15px; }
.local-ai-empty h2 { margin: 0 0 10px; font-size: clamp(23px, 3vw, 30px); font-weight: 600; letter-spacing: -.035em; }
.local-ai-empty p { margin: 0; max-width: 400px; color: var(--text-soft); font-size: 12px; line-height: 1.85; }
.local-ai-suggestions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 24px; }
.local-ai-suggestions .local-ai-button { background: transparent; font-weight: 500; }
.local-ai-message { padding: 22px 0; border-bottom: 1px solid var(--border); }
.local-ai-message:last-child { border-bottom: 0; }
.local-ai-message-meta { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; font-size: 11px; }
.local-ai-message-meta strong { font-weight: 700; }
.local-ai-message--assistant .local-ai-message-meta strong { color: var(--red-strong); }
.local-ai-message-state { color: var(--muted); font-size: 10px; }
.local-ai-prose { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; line-height: 1.9; color: var(--text-soft); }
.local-ai-prose:empty { display: none; }
.local-ai-code-block { overflow: hidden; border: 1px solid var(--border-strong); border-radius: 7px; background: var(--bg-raised); margin: 14px 0; }
.local-ai-code-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 38px; border-bottom: 1px solid var(--border); background: var(--surface); padding: 5px 12px; }
.local-ai-code-toolbar > span { color: var(--muted); font: 10px/1.5 'DM Mono', monospace; }
.local-ai-code-toolbar .local-ai-button { min-height: 26px; padding: 0 9px; font-size: 10px; background: transparent; }
.local-ai-code-block pre { margin: 0; padding: 15px; overflow: auto; font: 12px/1.8 'DM Mono', monospace; color: var(--text-soft); tab-size: 2; }
.local-ai-code-block code { font: inherit; }
.local-ai-feedback { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; min-height: 38px; padding: 7px 0; box-sizing: border-box; color: var(--text-soft); font-size: 11px; line-height: 1.6; }
.local-ai-feedback.is-error { color: var(--red-strong); }
.local-ai-feedback .local-ai-button { min-height: 26px; font-size: 10px; padding: 0 9px; }
.local-ai-composer { border: 1px solid var(--border-strong); border-radius: 10px; background: var(--surface); padding: 14px; flex-shrink: 0; }
.local-ai-input-label { display: block; margin-bottom: 8px; font-size: 11px; font-weight: 600; color: var(--text-soft); }
.local-ai-composer textarea { display: block; width: 100%; min-height: 92px; max-height: 220px; margin: 0; border: 0; border-radius: 3px; padding: 3px 0; background: transparent; color: var(--text); font: 13px/1.7 Manrope, Arial, sans-serif; resize: none; box-sizing: border-box; }
.local-ai-composer textarea::placeholder { color: var(--muted); opacity: 1; }
.local-ai-composer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.local-ai-input-help { color: var(--muted); font-size: 10px; line-height: 1.5; }
.local-ai-send, .local-ai-stop { min-width: 110px; flex-shrink: 0; }
.local-ai-send { background: var(--red); border-color: var(--red-strong); color: var(--text); }
.local-ai-send:hover:not(:disabled) { background: var(--red-strong); border-color: var(--red-strong); }
.local-ai-stop { border-color: var(--red-border); color: var(--red-strong); }
.local-ai-privacy { margin: 10px 0 0; color: var(--muted); font-size: 10px; line-height: 1.6; text-align: center; flex-shrink: 0; }
body.t3x-local-ai-page-open .app-rail nav .icon-button.is-active:not(#t3x-local-ai-button) { border-color: transparent; background: transparent; color: var(--muted); }
body.t3x-local-ai-page-open #t3x-local-ai-button { border-color: var(--red-border); background: var(--red-soft); color: var(--red-strong); }
/* The chat's mobile drawer uses a higher layer than destination pages. Keep it covered until this destination closes. */
body.t3x-local-ai-page-open .conversation-sidebar, body.t3x-local-ai-page-open .sidebar-scrim { visibility: hidden; pointer-events: none; }
@keyframes local-ai-pulse { to { opacity: .35; } }
@media (width <= 760px) {
  .local-ai-page { inset: 0 0 calc(56px + env(safe-area-inset-bottom, 0px)); }
  .local-ai-shell { min-height: 600px; padding: 22px 16px 12px; }
  .local-ai-header { gap: 10px; margin-bottom: 20px; }
  .local-ai-header-actions { gap: 7px; }
  .local-ai-header-actions .local-ai-button { padding: 0 8px; font-size: 10px; }
  .local-ai-subtitle { max-width: 250px; font-size: 11px; }
  .local-ai-connection { flex-wrap: wrap; gap: 7px 10px; }
  .local-ai-model { order: 3; width: 100%; }
  .local-ai-empty { min-height: 210px; padding-inline: 0; }
  .local-ai-empty p { font-size: 11px; }
  .local-ai-suggestions { gap: 6px; margin-top: 18px; }
  .local-ai-suggestions .local-ai-button { padding: 0 10px; font-size: 10px; }
  .local-ai-chat { min-height: 150px; }
  .local-ai-composer { padding: 12px; }
  .local-ai-composer textarea { font-size: 16px; }
  .local-ai-input-help { font-size: 9px; max-width: 180px; }
  .local-ai-send, .local-ai-stop { min-width: 105px; }
}
@media (prefers-reduced-motion: reduce) { .local-ai-page *, .local-ai-status::before { animation: none; transition: none; scroll-behavior: auto; } }
@media (forced-colors: active) {
  :root, * { scrollbar-color: auto; }
  .local-ai-button, .local-ai-close, .local-ai-code-block, .local-ai-composer { border-color: ButtonText; }
  .local-ai-status::before { background: CanvasText; }
}